Final Build critiques and how big of a PSU do i need? Tags: Power Supplies Asus Build Components Last response: May 23, 2012 9:57 PM in Components Share a67codkiller May 23, 2012 1:27:08 AM Ok. so this summer im going to build my first gaming PC and this is what i have picked out for a ~1300 budget: Case: CM scout mobo: Asus Maximus V LGA 1155 Intel Z77 Ram: 8 gigs G. Card: Sapphire 7850 oc Processor: i5-3570K Asus DVD drive 1 HDD (7200) Asus 23inch monitor mouse and keyboard How big of a PSU do i need? im thinking around 650 but im a noob at this stuff. More about : final build critiques big psu Rugger a c 158 ) Power supply May 23, 2012 2:26:36 AM A good quality 500W PSU is sufficient for your build, specifically an HD 7850 requires a 500W PSU with 28A on the 12V rails and one 75W 6-pin PCIe power connector. ct1615 a c 164 ) Power supply May 23, 2012 2:29:32 AM 650w is more then enough (if already owned or you just want one) but rugger is correct, a quality 500w unit will do the job with ease. Related resources Final Critiques Needed, ordering today by 3:00 Eastern - Forum Critiques welcome...opinions wanted - Forum please critique my (almost) final choice for a gaming rig - Forum " final " build list - opinions/critique please - Forum Final Build Critique - £1200 Gaming System - Forum Can't find your answer ? Ask ! Get the answer a67codkiller May 23, 2012 9:48:13 PM Thanks for the advice! but what if i want to Xfire? is there any harm in buying a bigger psu for down the road? ct1615 a c 164 ) Power supply May 23, 2012 9:57:38 PM no harm at all. obviously you need to make the SLI/CF decision before you purchase a PSU. Can't find your answer ? Ask ! Publish Related resources: Forumhttp://www.tomshardware.com/forum/ [...] ended-psus Forumhttp://www.tomshardware.com/forum/ [...] lies-guide ForumMy $2000 Final Summer Build ForumMy final build ... I think... ForumFirst Build Attempt, Critiques Please ForumFirst Time Build $800 Gaming PC- Need Advice ForumFinal Build . Please critique. ForumCritiques needed for a $1200-$1500 Gaming Build (First time builder) ForumMy Final build - $1000 Budget (Any Bottlenecks?) ForumFirst Build : Final Review (please critique) ForumNeed Advice on Budget 955 Build ForumFirst Build review/ critiques Forum212 evo fan replacement Forum[Solved] Need help finding a power supply ForumPSU and a 4 pin female connector More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !